Numbers 3:39-41

Complete Jewish Bible

³⁹ The total number of L’vi’im whom Moshe and Aharon counted by their clans, all the males a month old and over, was 22,000.

(vi) ⁴⁰ Adonai said to Moshe, “Register all the firstborn males of the people of Isra’el a month old and over, and determine how many there are. ⁴¹ Then you are to take the L’vi’im for me, Adonai, in place of all the firstborn among the people of Isra’el, and the cattle of the L’vi’im in place of the firstborn of the cattle belonging to the people of Isra’el.”